5565945 has 64 divisors (see below), whose sum is σ = 11427840. Its totient is φ = 2246400.

The previous prime is 5565913. The next prime is 5565979. The reversal of 5565945 is 5495655.

It is not a de Polignac number, because 5565945 - 2⁵ = 5565913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70416 + ... + 70494.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

Almost surely, 2^5565945 is an apocalyptic number.

5565945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5565945 is an abundant number, since it is smaller than the sum of its proper divisors (5861895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5565945 is a wasteful number, since it uses less digits than its factorization.

5565945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166.

The product of its digits is 135000, while the sum is 39.

The square root of 5565945 is about 2359.2255085091. The cubic root of 5565945 is about 177.2200971012.

The spelling of 5565945 in words is "five million, five hundred sixty-five thousand, nine hundred forty-five".